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Astronomers have recorded heavenly music bellowed out by the Sun's atmosphere.
Snagging orchestra seats for this solar symphony would be fruitless, however, as the frequency of the sound waves is below the human hearing threshold. While humans can make out sounds between 20 and 20,000 hertz, the solar sound waves are on the order of milli-hertz--a thousandth of a hertz.
The study, presented this week at the Royal Astronomical Society's National Astronomy Meeting in Lancashire, England, reveals that the looping magnetic fields along the Sun's outer regions, called the corona, carry magnetic sound waves in a similar manner to musical instruments such as guitars or pipe organs.
The vast and beautiful sounds you hear on these CDs are all from recordings of planets, moons and rings of planets in our Solar System. the Space Sounds are the complex interactions of charged electromagnetic particles from the Solar Wind, ionisphere, and planetary magnetosphere. This creates vibration "soundscapes" which are at once utterly alien and deeply familiar to the listener.
Although space is a virtual vacuum, this does not mean there is no sound in space. Sound does exist as electromagnetic vibrations. The specially designed instruments on board the various space probes used Plasma Wave antenna to record the vibrations used here, all within the range of human hearing (20-20,000 CPS)
Each planet, moon and ring system has a distinctive "musical" pattern. Listening to this unusual collection has a mysteriously relaxing effect. After a long hard day, you can bring your brainwaves into a slower and meditative state.
A must for users of light and sound machines.
This remarkable set of 8 CDs includes:
Saturnís rings: Soothing throbbing pulses
Miranda: Haunting and beautiful winds
Neptune: Like strange beat patterns. Haunting melodies emerge
Voice of Earth: Like dolphins, birds, roars and voices. Deeply relaxing
Saturn: Like night sounds of insects; slowed down 10-20 times
Jupiter: Like a giant metal gong; rubbed with a wooden stick
Rings of Uranus: Like giant Tibetan bowls and bells Centering
Song of Earth: Composed soundscape of natural earth frequencies.